Relationship between transportation and land use based on data of mobile communication

Within the past decades although massive amounts of money and human resources have been put to solve the traffic congestion problem through the world, road congestion still a persistent major factor which has a strong effect on daily life. How to get useful traffic information is a big problem, in the past, such as loop detects, video surveillance is a good idea. Cell phone information is available directly from the mobile carriers, requiring less installation cost and labour work compared to other methods such as conventional loop-detectors and resident surveys.